• Barry, R.G. and Chorley, R.J. (2010): Chapters 4 & 5 (Air Masses, Fronts and Depressions; Mid-Latitude synoptic systems).
• McIlveen, R.  (2010): Chapter 12 (Large scale weather systems in the mid-latitudes).
• Roulstone, I. and Norbury, J. (2013): Chapter 3, pages 112-124.